This might be coincidental but a lot of words that start with "sn-" are related to either noses or slow, quiet movement, and a lot of words that start with "fl-" are related to bendy/rubbery things, or to rotating or throwing things
This might be coincidental but a lot of words that start with "sn-" are related to either noses or slow, quiet movement, and a lot of words that start with "fl-" are related to bendy/rubbery things, or to rotating or throwing things